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View Full Version : "Other" Caliber Uppers



  1. 6x45mm......What do you know?.......
  2. "Ideal" 9mm bbl length?
  3. What's Up With 6.5 Grendel?
  4. .50 cal uppers - accuracy and effective range?
  5. 7.62 x 25 Uppers?
  6. .45 Cal uppers
  7. Anyone else ?
  8. 9mm AR Build Review
  9. Indoor use -- 9mm -vs- 223
  10. A2 -vs- A4 (in pistol-caliber)
  11. Olympic K9GL
  12. AR-57 Uppers in 5.7!!
  13. Olympic K9GL / 9mm AR
  14. 200 grain bullets at 2600ft/sec
  15. My new .22 upper
  16. Dedicated .22lr uppers
  17. 1st outing w/Cardinal bbl 12" 6.8spc
  18. Saw this on cheaper than dirt...
  19. Recommendations for a .22 LR Upper?
  20. 7.62x39 vs .308
  21. 9mm upper thoughts
  22. What do you think about building a 5.45x39?
  23. AR in 308? Details on how to?
  24. SBR caliber?
  25. Thinking
  26. Build#6/18" 6.8 and some load data
  27. Plain-jane 6.8SPC upper
  28. 6.5 Grendel?
  29. New Colt Ar 22lr
  30. Building a .308 -> Barrel length advice
  31. .204 Ruger
  32. .300 Fireball
  33. Different calibers in the AR platform?
  34. 6.8x43mm Remington SPC round
  35. Rare Colt factory 9mm carbine?
  36. 50 bmg upper questions
  37. Death of the 6.8SPC Spec II
  38. Advice on .308 AR
  39. Upper for SW M&P 15R 5.45 x 39
  40. 300 whisper vs 300 fireball
  41. Beowulf
  42. Wssm?
  43. The Whole AR15 Language
  44. AR 57 Build
  45. LR-308 vs. Remington R-25?
  46. .410 upper
  47. 22-250
  48. other wildcats based on 223
  49. .308 AR and other caliber questions
  50. 6.5 Turbo?
  51. Lmt .308 Mws
  52. 12 gauge "grenade launcher" for ar15
  53. 6x45 ammo from Les Baeur
  54. 300 whisper through a gemtech 9mm can?
  55. AR15 for 7.62x39
  56. 300 whisper upper info
  57. Most economic large caliber? 22lr?
  58. quick ar-10 question
  59. 40 S&w
  60. 6.8 REM ammo/mag questions
  61. First 6.8!!!
  62. .45 ACP Upper
  63. 300 AAC Blackout
  64. shooting the 450 bushmaster?
  65. Found a great place
  66. Twanging stock.
  67. 450 Bushmaster
  68. .50 bmg upper for ar plattform
  69. anybody got an ar10 in 6.5-284
  70. 9mm AR Carbine?
  71. "Other" caliber opinions
  72. 6mm-223
  73. 6.5 Grendel
  74. DPMS A10 value??
  75. AR 57 upper
  76. 6.8 spc, 6.5 grendel, or 308 win
  77. 2012 6.8 SPC Discussion Thread... Can we please start over?
  78. 458 SOCOM AR-15
  79. Best 7.62x39 upper?
  80. 6.5 or 6.8?
  81. Huldra arms 5.45x39
  82. 300 BLK Suppressed Build Question
  83. .410 upper
  84. 7.62x40 WT? Just for fun discussion.
  85. One rifle to rule them all...
  86. 6.5 Grendel er 6.8 SPC
  87. Help a 6.8mm newbie understand all the variations??
  88. Left handed 300 blackout?
  89. AR Performance moved?
  90. Anyone shooting a 6mmAR or 6mmARTurbo
  91. Looking for a .300aac upper instock
  92. Adams Arms 5.45
  93. Safety Harbor .50
  94. Tactilite 50bmg spartan upper. Anybody have one?
  95. stag model 7 opinions?
  96. 9mm AR
  97. 9mm questions
  98. AR in .223 WSSM
  99. colt le901
  100. New 6.8 Owner
  101. Newbie help here with 6.5 Grendel
  102. Can a .50 BMG belt fed upper be built?
  103. .22 LR Uppers, accuracy and ammo questions
  104. 9mm AR couple questions
  105. 6.5 grendel forum
  106. Thumper
  107. .50 BMG upper
  108. My first build in the planning/buying stage- Pistol AR Daniel Defense in 300 Blackout
  109. What's with the love for 5.45x39 mm ammo?
  110. 7mm $pendel
  111. Better-Mag M&P 15-22 Magazine Adaptor
  112. 22 Conversions?
  113. 300wtf mods?
  114. More " other " 6mm
  115. Not really AR, but "OTHER" caliber...
  116. 6.5G or 6.8SPC?
  117. I want,I want,I want .300WM AR
  118. 300 AAC Blackout build and range report
  119. Help with 9mm mag catch
  120. 'smore other : 300 W/BK/WTF
  121. 300 BLK reloads and new build
  122. 300 BLK LeHigh Defense 110 grain Controlled Chaos Video!!!
  123. 300 blackout bolt carrier group
  124. 300 BLK problems
  125. This looks super cool!
  126. 224 Grendel
  127. 300BLK Pistol build question
  128. What Happens If You Try and Shoot 300 Blackout in a 223?
  129. Sheesh. Stupid gas blocks.
  130. I don't understand the popularity of the 300ACC Blackout
  131. New 6.5 Build Range Report
  132. 9mm, some very basic questions (not covered in the other 9mm thread...)
  133. Deciding to build a big bore upper. Bolt question. Anybody have experience with the 6BR bolt .
  134. Accuracy in 22 cal dedicated uppers
  135. 300 Blackout Finished
  136. Once You Go 300 Blackout
  137. 6.8spc hunting
  138. 9mm AR Pistol
  139. Something new for my 300 BLK.
  140. 277 Wolverine
  141. 300 BLK OUT 10.5" vs 16" Velocity Data
  142. .300 blk SBR Suppressed buffer weight
  143. FTF, is this undergassed? .300BLK
  144. Quarter Circle 10
  145. 45 Raptor
  146. 300BLK Subs at 9,300ft
  147. 25-45 Sharps
  148. QC10 MP5 Mag AR
  149. 458 SOCOM Thread.
  150. Can a Lee 155 punch thru diesel engine?
  151. 300BLK Upper build advice? please.
  152. .257 H&H aka 25 Grendel
  153. 30 Remington AR
  154. .30-06 AR
  155. 338 Federal in AR-10
  156. .300blk wasn't big enough.
  157. 6mm Whisper Squirtgun mod
  158. Ya didn't like the other big caliber ar, so how about 6.5cm? Vs RPR?
  159. .300 blackout build?
  160. 50 Beowulf
  161. Palmetto State Armory .300 Blackout Upper. Do you own one or have any experience?
  162. 6 grendle and bullet weights
  163. QC10 Lowers In-Stock Locally?
  164. PSA Glock mag fed ARs?
  165. Can Cannon update
  166. PSA 300 upper not fitting
  167. 7.62x39 build
  168. LAR47
  169. Bubonic Upper
  170. 6x45 my new rifle.
  171. like
  172. Is CMMG the best 9mm bolt?
  173. 9mm AR - Colt versus Glock
  174. 9mm SBR - Conversion versus new stamp
  175. 300 Blackout barrels - Advice wanted
  176. So my .300 upper arrived with a 1:8 twist instead of 1:7
  177. My first build complete!
  178. Anyone have any experience with
  179. .45 ACP muzzle device options
  180. not a bayowolf
  181. .277 WLV anyone?
  182. 6.5 Grendel mags?
  183. M&P 15-22 weird cycling
  184. 450 Bushmaster - 5.56 spring and buffer okay?
  185. B&T APC9
  186. 224 Valkyrie
  187. New AR15 build, 6.5 Grendel ???
  188. AR9 - 9MM pistols/sbr
  189. 6.5 Creedmoor - Thinking about it, what say you all?
  190. Jumping into the tac6 world
  191. AR-15 round better than a .30-.30
  192. 243 Win?
  193. Upper ID help please